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Finding the Fourth Proportional to 93,256.46, 128,689.88 and 52,970.09

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Solution

The fourth proportional to 93,256.46, 128,689.88 and 52,970.09 is: 73,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,256.46 : 128,689.88 = 52,970.09 : x
  2. Step 2: Convert to fraction form
    93,256.46/128,689.88 = 52,970.09/x
  3. Step 3: Cross multiply
    93,256.46x = 128,689.88 × 52,970.09
  4. Step 4: Simplify right side
    93,256.46x = 6,816,714,979.84
  5. Step 5: Solve for x
    x = 6,816,714,979.84/93,256.46
  6. Step 6: Final answer
    x = 73,096.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.